package com.bigshark.api.mapper;

import com.bigshark.api.model.User;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Component;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;

@Mapper
public interface UserMapper extends BaseMapper<User> {
     User selectByUserName(String userName);
}